5.By deenergizing of coil, the control air actuates the 3-way valve (pos. no. 29 through the pipe named “SUPPLY” and the 3-way magnet valve (pos. no. 73, right frame).
7.No symphony was more appropriately named than this melancholy rnasterpiece, the Pathetic symphony, the brooding phrases of which sound truly like the Swan song of a tired and abysmally disillusioned man of genius.